Wickramasekara, P. (1987). Labour absorption in Asian agriculture: A review. ILO/ ARTEP.
Cita Chicago (17th ed.)Wickramasekara, Piyasiri. Labour Absorption in Asian Agriculture: A Review. Delhi: ILO/ ARTEP, 1987.
Cita MLA (9th ed.)Wickramasekara, Piyasiri. Labour Absorption in Asian Agriculture: A Review. ILO/ ARTEP, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.